212451356604 has 48 divisors (see below), whose sum is σ = 499007996928. Its totient is φ = 70347926208.

The previous prime is 212451356567. The next prime is 212451356647. The reversal of 212451356604 is 406653154212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3167197 + ... + 3233579.

It is an arithmetic number, because the mean of its divisors is an integer number (10395999936).

Almost surely, 2^212451356604 is an apocalyptic number.

It is an amenable number.

212451356604 is an abundant number, since it is smaller than the sum of its proper divisors (286556640324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212451356604 is a wasteful number, since it uses less digits than its factorization.

212451356604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68154 (or 68152 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 212451356604 in words is "two hundred twelve billion, four hundred fifty-one million, three hundred fifty-six thousand, six hundred four".